Finding the Fourth Proportional to 238,955.06, 329,755.36 and 131,522.78

Step by Step Solution

1. Step 1: Write the proportion equation
   238,955.06 : 329,755.36 = 131,522.78 : x
2. Step 2: Convert to fraction form
   238,955.06/329,755.36 = 131,522.78/x
3. Step 3: Cross multiply
   238,955.06x = 329,755.36 × 131,522.78
4. Step 4: Simplify right side
   238,955.06x = 43,370,341,667.10
5. Step 5: Solve for x
   x = 43,370,341,667.10/238,955.06
6. Step 6: Final answer
   x = 181,499.99